1 ;;; Gacela, a GNU Common Lisp extension for fast games development
2 ;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
4 ;;; This program is free software: you can redistribute it and/or modify
5 ;;; it under the terms of the GNU General Public License as published by
6 ;;; the Free Software Foundation, either version 3 of the License, or
7 ;;; (at your option) any later version.
9 ;;; This program is distributed in the hope that it will be useful,
10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ;;; GNU General Public License for more details.
14 ;;; You should have received a copy of the GNU General Public License
15 ;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
22 (defmacro makemob (name variables &rest methods)
24 (defun ,name (&rest args &aux (option (car args)))
25 ,(mob-options methods))))
27 (defun mob-options (methods)
28 (labels ((options (m &aux (option (car m)) (vars (cadr m)) (body (caddr m)))
30 (t (cons option (cons (lambda body (options (cdddr m))))))))
31 (cons 'case (cons 'option (options methods)))))
33 (defmacro defmob (name variables &key init logic render)
34 `(let ((make-name ',(intern (concatenate 'string "MAKE-" (string name)))))
35 (setf (symbol-function make-name)
36 (makemob ,variables :init ,init :logic ,logic :render ,render))
39 ;(defmacro makemob (variables &key init logic render)
41 ; ,(if (null variables) () (cons '&key variables))
42 ; (mob-structure ,variables ,init ,logic ,render)))
44 (defmacro mob-structure (variables init logic render)
46 :init (lambda () ,init)
47 :logic (lambda () ,logic)
48 :render (lambda () ,render)
52 ',(mapcar #'car+ variables)
54 (values-list ,(cons 'list (mapcar #'car+ variables)))))
58 (funcall (getf mob :init)))
60 (defun logic-mob (mob)
61 (funcall (getf mob :logic)))
63 (defun render-mob (mob)
64 (funcall (getf mob :render)))
66 (let (running-mobs mobs-to-add mobs-to-quit)
68 (push mob mobs-to-add))
71 (push mob mobs-to-quit)))